Anni Sairio is a Postdoctoral Researcher in the Department of Modern Languages at the University of Helsinki. She defended her PhD thesis on the sociolinguistic variation and change in an 18th-century English correspondence network in 2009. Her research interests include the language and identity of the individual, the Bluestocking circle, sociolinguistics of spelling variation, and historical L2 English. She has edited manuscript letters and worked on editing practices and sociolinguistic metadata for historical corpus linguistic research.